How to test the thickness and hardness of epoxy floor coating?

Epoxy flooring is a kind of high strength, wear-resistant, beautiful surface paving material, and low maintenance cost, so it is popular with the majority of users. However, if the foundation of epoxy flooring construction is not secured, it will directly affect the service life of epoxy flooring. How to detect a completed flooring? To solve these problems in advance? Now let's all get to know.

Tests the adhesion of epoxy floor coatings, including two aspects:

On the one hand, the test of color paint, varnish and paint film scratching, in which the thickness below 500 micron can be used in the construction site:121 micron coating adhesion detection knife edge spacing is 3 mm.

Adhesion testing is characterized by scratch testing, and the sample test is used to replace the physical adhesion data in product coating performance testing. The reasons include the environmental conditions of epoxy floor coating in production workshop, the controllability of painting and drying, and the skill of operators is consistent with the quality of coating.

On the other hand, the method of measuring the adhesion of coatings is the method of pulling apart. The thickness of epoxy self-leveling surface coating is large, the allowable blade spacing is difficult to penetrate, because the hardness of the coating is not suitable for the operation of the knife; the construction industry detection combines the method of tapping hollow drum with the method of drawing instrument detection to solve the workload of multi-point testing. The surface hardness of epoxy flooring coating and related application performance testing mainly include the following aspects:

1. Pencil hardness testing method for epoxy flooring coating: pencil hardness tester in laboratory, manual test in construction site, only the corresponding pencil with required hardness index is required, plough 5 passages 3 mm without ploughing marks, the pencil hardness represents the hardness of the tested epoxy flooring coating;

2. Imprint-free test of paint film: (equivalent to stain-free test of paint and varnish), Shaul A hardness rubber, nylon silk screen and certain weight load test, after 10 minutes, silk screen imprint on coating surface, or just no trace on epoxy floor coating;

3. Buckholtz indentation test: (equivalent to ISO2815 Buckholtz indentation test), the indenter has When the effective load is 500 g (+5 g), the sharp edge metal wheel of indenter rotates to produce indentation shape on the tested epoxy floor coating film. It can read 0.1 mm by magnifying 20 times observation and measurement. The indentation resistance test results are expressed as a function of reciprocal indentation length.

As mentioned above, the methods and standards for testing the thickness and hardness of epoxy floor coating have been told, and we hope that they will be helpful in the construction of the epoxy floor coating.